13 Best Books, Courses and Communities for Learning React

Explore some of the best books, courses and communities for learning React, with a focus on developers looking to advance in web development. Continue reading 13 Best Books, Courses and Communities for Learning React on SitePoint.

Connecting the FFT and quadratic reciprocity

Some readers will look at the title of this post and think “Ah yes, the FFT. I use it all the time. But what is this quadratic reciprocity?” Others will look at the same title and think “Gauss called the quadratic reciprocity theorem the jewel in the crown of mathematics.

Two-digit zip codes

It’s common to truncate US zip codes to the first three digits for privacy reasons. Truncating to the first two digits is less common, but occurs in some data sets. HIPAA Safe Harbor requires sparse 3-digit zip codes to be suppressed; even when rolled up to three digits some regions

Introducing: CodeSignal Learn

Since 2015, technical leaders have relied on CodeSignal to identify people with the right skills for their business needs. Building on what we’ve learned over the past 9 years, we’re proud to introduce a revolutionary new learning experience that helps people develop and master in-demand skills: CodeSignal Learn. CodeSignal Learn

Bessel zero spacing

Bessel functions are to polar coordinates what sines and cosines are to rectangular coordinates. This is why Bessel function often arise in applications with radial symmetry. The locations of the zeros of Bessel functions are important in application, and so you can find software for computing these zeros in mathematical

The 20 Best Programming Languages to Learn in 2024

Implementing User Authentication in React Apps with Appwrite

Learn the steps and best practices for implementing a reliable and user-friendly authentication system in React apps using Appwrite. Continue reading Implementing User Authentication in React Apps with Appwrite on SitePoint.

AI-Powered Search Engine With Milvus Vector Database on Vultr

Learn how to build an AI-powered search engine with Milvus Vector Database on Vultr, This guide shows you how to use a HuggingFace dataset with Milvus Vector Database and build a question-answering search engine. Continue reading AI-Powered Search Engine With Milvus Vector Database on Vultr on SitePoint.

Coloring the queen’s graph

Suppose we have an n × n chessboard. The case n = 8 is of course most common, but we consider all positive integer values of n. The graph of a chess piece has an edge between two squares if and only if the piece can legally move between the

Understanding Signals in Django

Learn about signals in Django: what they are, how to use them, define custom signals, use built-in signals, along with real-world use cases. Continue reading Understanding Signals in Django on SitePoint.